<template>
  <div>
    <div class="gva-table-box">
      <div class="gva-btn-list">
        <el-button type="primary" icon="plus" @click="addMenu(0)">
          新增根菜单
        </el-button>
      </div>

      <!-- 由于此处菜单跟左侧列表一一对应所以不需要分页 pageSize默认999 -->
      <el-table :data="tableData" row-key="ID">
        <el-table-column align="left" label="ID" min-width="100" prop="ID" />
        <el-table-column
          align="left"
          label="展示名称"
          min-width="120"
          prop="authorityName"
        >
          <template #default="scope">
            <span>{{ scope.row.meta.title }}</span>
          </template>
        </el-table-column>
        <el-table-column
          align="left"
          label="图标"
          min-width="140"
          prop="authorityName"
        >
          <template #default="scope">
            <div v-if="scope.row.meta.icon" class="icon-column">
              <el-icon>
                <component :is="scope.row.meta.icon" />
              </el-icon>
              <span>{{ scope.row.meta.icon }}</span>
            </div>
          </template>
        </el-table-column>
        <el-table-column
          align="left"
          label="路由Name"
          show-overflow-tooltip
          min-width="160"
          prop="name"
        />
        <el-table-column
          align="left"
          label="路由Path"
          show-overflow-tooltip
          min-width="160"
          prop="path"
        />
        <el-table-column
          align="left"
          label="是否隐藏"
          min-width="100"
          prop="hidden"
        >
          <template #default="scope">
            <span>{{ scope.row.hidden ? '隐藏' : '显示' }}</span>
          </template>
        </el-table-column>
        <el-table-column
          align="left"
          label="父节点"
          min-width="90"
          prop="parentId"
        />
        <el-table-column align="left" label="排序" min-width="70" prop="sort" />
        <el-table-column
          align="left"
          label="文件路径"
          min-width="360"
          prop="component"
        />
        <el-table-column align="left" fixed="right" label="操作" width="300">
          <template #default="scope">
            <el-button
              type="primary"
              link
              icon="plus"
              @click="addMenu(scope.row.ID)"
            >
              添加子菜单
            </el-button>
            <el-button
              type="primary"
              link
              icon="edit"
              @click="editMenu(scope.row.ID)"
            >
              编辑
            </el-button>
            <el-button
              type="primary"
              link
              icon="delete"
              @click="deleteMenu(scope.row.ID)"
            >
              删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <el-drawer
      v-model="dialogFormVisible"
      size="60%"
      :before-close="handleClose"
      :show-close="false"
    >
      <template #header>
        <div class="flex justify-between items-center">
          <span class="text-lg">{{ dialogTitle }}</span>
          <div>
            <el-button @click="closeDialog"> 取 消 </el-button>
            <el-button type="primary" @click="enterDialog"> 确 定 </el-button>
          </div>
        </div>
      </template>

      <warning-bar title="新增菜单，需要在角色管理内配置权限才可使用" />
      <el-form
        v-if="dialogFormVisible"
        ref="menuForm"
        :inline="true"
        :model="form"
        :rules="rules"
        label-position="top"
      >
        <el-row class="w-full">
          <el-col :span="16">
            <el-form-item label="文件路径" prop="component">
              <components-cascader
                :component="form.component"
                @change="fmtComponent"
              />
              <span style="font-size: 12px; margin-right: 12px"
                >如果菜单包含子菜单，请创建router-view二级路由页面或者</span
              >
              <el-button
                style="margin-top: 4px"
                @click="form.component = 'view/routerHolder.vue'"
              >
                点我设置
              </el-button>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="展示名称" prop="meta.title">
              <el-input v-model="form.meta.title" autocomplete="off" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row class="w-full">
          <el-col :span="8">
            <el-form-item label="路由Name" prop="path">
              <el-input
                v-model="form.name"
                autocomplete="off"
                placeholder="唯一英文字符串"
                @change="changeName"
              />
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item prop="path">
              <template #label>
                <span style="display: inline-flex; align-items: center">
                  <span>路由Path</span>
                  <el-checkbox
                    v-model="checkFlag"
                    style="margin-left: 12px; height: auto"
                    >添加参数</el-checkbox
                  >
                </span>
              </template>

              <el-input
                v-model="form.path"
                :disabled="!checkFlag"
                autocomplete="off"
                placeholder="建议只在后方拼接参数"
              />
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="是否隐藏">
              <el-select
                v-model="form.hidden"
                style="width: 100%"
                placeholder="是否在列表隐藏"
              >
                <el-option :value="false" label="否" />
                <el-option :value="true" label="是" />
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row class="w-full">
          <el-col :span="8">
            <el-form-item label="父节点ID">
              <el-cascader
                v-model="form.parentId"
                style="width: 100%"
                :disabled="!isEdit"
                :options="menuOption"
                :props="{
                  checkStrictly: true,
                  label: 'title',
                  value: 'ID',
                  disabled: 'disabled',
                  emitPath: false
                }"
                :show-all-levels="false"
                filterable
              />
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="图标" prop="meta.icon">
              <icon v-model="form.meta.icon" />
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="排序标记" prop="sort">
              <el-input v-model.number="form.sort" autocomplete="off" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row class="w-full">
          <el-col :span="8">
            <el-form-item prop="meta.activeName">
              <template #label>
                <div>
                  <span> 高亮菜单 </span>
                  <el-tooltip
                    content="注：当到达此路由时候，指定左侧菜单指定name会处于活跃状态（亮起），可为空，为空则为本路由Name。"
                    placement="top"
                    effect="light"
                  >
                    <el-icon><QuestionFilled /></el-icon>
                  </el-tooltip>
                </div>
              </template>
              <el-input
                v-model="form.meta.activeName"
                :placeholder="form.name"
                autocomplete="off"
              />
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="KeepAlive" prop="meta.keepAlive">
              <el-select
                v-model="form.meta.keepAlive"
                style="width: 100%"
                placeholder="是否keepAlive缓存页面"
              >
                <el-option :value="false" label="否" />
                <el-option :value="true" label="是" />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="CloseTab" prop="meta.closeTab">
              <el-select
                v-model="form.meta.closeTab"
                style="width: 100%"
                placeholder="是否自动关闭tab"
              >
                <el-option :value="false" label="否" />
                <el-option :value="true" label="是" />
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row class="w-full">
          <el-col :span="8">
            <el-form-item>
              <template #label>
                <div>
                  <span> 是否为基础页面 </span>
                  <el-tooltip
                    content="此项选择为是，则不会展示左侧菜单以及顶部信息。"
                    placement="top"
                    effect="light"
                  >
                    <el-icon><QuestionFilled /></el-icon>
                  </el-tooltip>
                </div>
              </template>

              <el-select
                v-model="form.meta.defaultMenu"
                style="width: 100%"
                placeholder="是否为基础页面"
              >
                <el-option :value="false" label="否" />
                <el-option :value="true" label="是" />
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div>
        <div class="flex items-center gap-2">
          <el-button type="primary" icon="edit" @click="addParameter(form)">
            新增菜单参数
          </el-button>
        </div>
        <el-table :data="form.parameters" style="width: 100%; margin-top: 12px">
          <el-table-column
            align="left"
            prop="type"
            label="参数类型"
            width="180"
          >
            <template #default="scope">
              <el-select v-model="scope.row.type" placeholder="请选择">
                <el-option key="query" value="query" label="query" />
                <el-option key="params" value="params" label="params" />
              </el-select>
            </template>
          </el-table-column>
          <el-table-column align="left" prop="key" label="参数key" width="180">
            <template #default="scope">
              <div>
                <el-input v-model="scope.row.key" />
              </div>
            </template>
          </el-table-column>
          <el-table-column align="left" prop="value" label="参数值">
            <template #default="scope">
              <div>
                <el-input v-model="scope.row.value" />
              </div>
            </template>
          </el-table-column>
          <el-table-column align="left">
            <template #default="scope">
              <div>
                <el-button
                  type="danger"
                  icon="delete"
                  @click="deleteParameter(form.parameters, scope.$index)"
                >
                  删除
                </el-button>
              </div>
            </template>
          </el-table-column>
        </el-table>

        <div class="flex items-center gap-2 mt-3">
          <el-button type="primary" icon="edit" @click="addBtn(form)">
            新增可控按钮
          </el-button>
          <el-icon
            class="cursor-pointer"
            @click="
              toDoc('https://www.gin-vue-admin.com/guide/web/button-auth.html')
            "
          >
            <QuestionFilled />
          </el-icon>
        </div>

        <el-table :data="form.menuBtn" style="width: 100%; margin-top: 12px">
          <el-table-column
            align="left"
            prop="name"
            label="按钮名称"
            width="180"
          >
            <template #default="scope">
              <div>
                <el-input v-model="scope.row.name" />
              </div>
            </template>
          </el-table-column>
          <el-table-column align="left" prop="name" label="备注" width="180">
            <template #default="scope">
              <div>
                <el-input v-model="scope.row.desc" />
              </div>
            </template>
          </el-table-column>
          <el-table-column align="left">
            <template #default="scope">
              <div>
                <el-button
                  type="danger"
                  icon="delete"
                  @click="deleteBtn(form.menuBtn, scope.$index)"
                >
                  删除
                </el-button>
              </div>
            </template>
          </el-table-column>
        </el-table>
      </div>
    </el-drawer>
  </div>
</template>

<script setup>
  import {
    updateBaseMenu,
    getMenuList,
    addBaseMenu,
    deleteBaseMenu,
    getBaseMenuById
  } from '@/api/menu'
  import icon from '@/view/superAdmin/menu/icon.vue'
  import WarningBar from '@/components/warningBar/warningBar.vue'
  import { canRemoveAuthorityBtnApi } from '@/api/authorityBtn'
  import { reactive, ref } from 'vue'
  import { ElMessage, ElMessageBox } from 'element-plus'
  import { QuestionFilled } from '@element-plus/icons-vue'
  import { toDoc } from '@/utils/doc'
  import { toLowerCase } from '@/utils/stringFun'
  import ComponentsCascader from '@/view/superAdmin/menu/components/components-cascader.vue'

  import pathInfo from '@/pathInfo.json'

  defineOptions({
    name: 'Menus'
  })

  const rules = reactive({
    path: [{ required: true, message: '请输入菜单name', trigger: 'blur' }],
    component: [{ required: true, message: '请输入文件路径', trigger: 'blur' }],
    'meta.title': [
      { required: true, message: '请输入菜单展示名称', trigger: 'blur' }
    ]
  })

  const tableData = ref([])
  // 查询
  const getTableData = async () => {
    const table = await getMenuList()
    if (table.code === 0) {
      tableData.value = table.data
    }
  }

  getTableData()

  // 新增参数
  const addParameter = (form) => {
    if (!form.parameters) {
      form.parameters = []
    }
    form.parameters.push({
      type: 'query',
      key: '',
      value: ''
    })
  }

  const fmtComponent = (component) => {
    form.value.component = component.replace(/\\/g, '/')
    form.value.name = toLowerCase(pathInfo['/src/' + component])
    form.value.path = form.value.name
  }

  // 删除参数
  const deleteParameter = (parameters, index) => {
    parameters.splice(index, 1)
  }

  // 新增可控按钮
  const addBtn = (form) => {
    if (!form.menuBtn) {
      form.menuBtn = []
    }
    form.menuBtn.push({
      name: '',
      desc: ''
    })
  }
  // 删除可控按钮
  const deleteBtn = async (btns, index) => {
    const btn = btns[index]
    if (btn.ID === 0) {
      btns.splice(index, 1)
      return
    }
    const res = await canRemoveAuthorityBtnApi({ id: btn.ID })
    if (res.code === 0) {
      btns.splice(index, 1)
    }
  }

  const form = ref({
    ID: 0,
    path: '',
    name: '',
    hidden: false,
    parentId: 0,
    component: '',
    meta: {
      activeName: '',
      title: '',
      icon: '',
      defaultMenu: false,
      closeTab: false,
      keepAlive: false
    },
    parameters: [],
    menuBtn: []
  })
  const changeName = () => {
    form.value.path = form.value.name
  }

  const handleClose = (done) => {
    initForm()
    done()
  }
  // 删除菜单
  const deleteMenu = (ID) => {
    ElMessageBox.confirm(
      '此操作将永久删除所有角色下该菜单, 是否继续?',
      '提示',
      {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }
    )
      .then(async () => {
        const res = await deleteBaseMenu({ ID })
        if (res.code === 0) {
          ElMessage({
            type: 'success',
            message: '删除成功!'
          })

          getTableData()
        }
      })
      .catch(() => {
        ElMessage({
          type: 'info',
          message: '已取消删除'
        })
      })
  }
  // 初始化弹窗内表格方法
  const menuForm = ref(null)
  const checkFlag = ref(false)
  const initForm = () => {
    checkFlag.value = false
    menuForm.value.resetFields()
    form.value = {
      ID: 0,
      path: '',
      name: '',
      hidden: false,
      parentId: 0,
      component: '',
      meta: {
        title: '',
        icon: '',
        defaultMenu: false,
        closeTab: false,
        keepAlive: false
      }
    }
  }
  // 关闭弹窗

  const dialogFormVisible = ref(false)
  const closeDialog = () => {
    initForm()
    dialogFormVisible.value = false
  }
  // 添加menu
  const enterDialog = async () => {
    menuForm.value.validate(async (valid) => {
      if (valid) {
        let res
        if (isEdit.value) {
          res = await updateBaseMenu(form.value)
        } else {
          res = await addBaseMenu(form.value)
        }
        if (res.code === 0) {
          ElMessage({
            type: 'success',
            message: isEdit.value ? '编辑成功' : '添加成功!'
          })
          getTableData()
        }
        initForm()
        dialogFormVisible.value = false
      }
    })
  }

  const menuOption = ref([
    {
      ID: '0',
      title: '根菜单'
    }
  ])
  const setOptions = () => {
    menuOption.value = [
      {
        ID: 0,
        title: '根目录'
      }
    ]
    setMenuOptions(tableData.value, menuOption.value, false)
  }
  const setMenuOptions = (menuData, optionsData, disabled) => {
    menuData &&
      menuData.forEach((item) => {
        if (item.children && item.children.length) {
          const option = {
            title: item.meta.title,
            ID: item.ID,
            disabled: disabled || item.ID === form.value.ID,
            children: []
          }
          setMenuOptions(
            item.children,
            option.children,
            disabled || item.ID === form.value.ID
          )
          optionsData.push(option)
        } else {
          const option = {
            title: item.meta.title,
            ID: item.ID,
            disabled: disabled || item.ID === form.value.ID
          }
          optionsData.push(option)
        }
      })
  }

  // 添加菜单方法，id为 0则为添加根菜单
  const isEdit = ref(false)
  const dialogTitle = ref('新增菜单')
  const addMenu = (id) => {
    dialogTitle.value = '新增菜单'
    form.value.parentId = id
    isEdit.value = false
    setOptions()
    dialogFormVisible.value = true
  }
  // 修改菜单方法
  const editMenu = async (id) => {
    dialogTitle.value = '编辑菜单'
    const res = await getBaseMenuById({ id })
    form.value = res.data.menu
    isEdit.value = true
    setOptions()
    dialogFormVisible.value = true
  }
</script>

<style scoped lang="scss">
  .warning {
    color: #dc143c;
  }
  .icon-column {
    display: flex;
    align-items: center;
    .el-icon {
      margin-right: 8px;
    }
  }
</style>
